This is what I have so far:
Movies (multiple)
TV shows (multiple)
Bands (multiple)
Motor Vehicles (e.g., Mustang, Corvette, Harley Davidson)
Musicals (e.g., The Who's Tommy)
Magazines (e.g., Playboy)
Game shows (e.g., Wheel of Fortune)
Comics (e.g., X-Men)
Board Games (e.g., Monopoly)
Celebrities (e.g., Elvira)
Video Games (e.g., Roller Coaster Tycoon)
Then, there are some for which I don't know what category to throw them in, like Ripley's Believe it or Not.
What else am I missing? Has anyone done a licensed pin based on a book, without a related movie or tv show?